INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c281fc2aeeef07f28c17417c2c6f807f9419be09e1825abb61a412091625cdcf', 
    'ZWfzSLQA1DrBy29vfNKhOjj1byoSKsc+jqqchO4Y31c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)